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1. vbs gen-lock mode (ext(vbs)) – Panasonic WV-CL920 User Manual

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3. Confirm that the INT parameter changed to EXT

(VBS) on the menu.

Caution:

The gen-lock input signal should meet

the EIA RS-170A specifications and should not
contain jitter, such as a VCR playback signal,
as it could disturb synchronization.

4. After confirming that the cursor is on EXT (VBS),

press

. The phase adjustment menu appears

on the monitor.

6. The VS gen-lock mode has a submenu for horizon-

tal phase adjustments. When the cable length of
the video output or the gen-lock input is changed,
the horizontal phase must be re-adjusted.

7. The line-lock mode has a submenu for line-lock

vertical phase adjustment. If the camera installation
is relocated, check the vertical phase adjustment
again since the AC line phase may be different.

6-1. VBS Gen-lock Mode (EXT(VBS))

1. Move the cursor to the SYNC parameter and select

INT.

2. Connect the coaxial cable for the blackburst or

composite color video signal to the gen-lock input
connector.

5. Supply the video output signal of the camera to be

adjusted and the reference gen-lock input signal to
a dual-trace oscilloscope.

6. Set the oscilloscope to the horizontal rate and

expand the horizontal sync portion on the oscillo-
scope.

7. Move the cursor to H PHASE.

** SYNC **

H PHASE ........I
- +
SC COARSE 1(1--4)

SC FINE ....I....
- +

RET END

** CAM SET UP **
CAMERA ID OFF
ALC/ELC ALC
SHUTTER OFF
AGC ON (DNR-H)
SENS UP OFF
SYNC INT
WHITE BAL ATW1
MOTION DET OFF
LENS DRIVE DC

END SET UP ENABLE

** CAM SET UP **
CAMERA ID OFF
ALC/ELC ALC
SHUTTER OFF
AGC ON (DNR-H)
SENS UP OFF
SYNC EXT(VBS)
WHITE BAL ATW1
MOTION DET OFF
LENS DRIVE DC

END SET UP ENABLE

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